There are some tests for the typechecker that are commented out because they're causing a stack overflow during executions. These tests are here: https://github.com/yatima-inc/yatima/tree/main/Tests/Typechecker
One that might be particularly interesting to debug is this one: https://github.com/yatima-inc/yatima/blob/main/Tests/Typechecker/Reject.lean#L9, since the fixture doesn't involve mutuals.
There are some tests for the typechecker that are commented out because they're causing a stack overflow during executions. These tests are here: https://github.com/yatima-inc/yatima/tree/main/Tests/Typechecker
One that might be particularly interesting to debug is this one: https://github.com/yatima-inc/yatima/blob/main/Tests/Typechecker/Reject.lean#L9, since the fixture doesn't involve mutuals.